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Finding the Fourth Proportional to 17,842.72, 26,768.76 and 6,156.76

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Solution

The fourth proportional to 17,842.72, 26,768.76 and 6,156.76 is: 9,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,842.72 : 26,768.76 = 6,156.76 : x
  2. Step 2: Convert to fraction form
    17,842.72/26,768.76 = 6,156.76/x
  3. Step 3: Cross multiply
    17,842.72x = 26,768.76 × 6,156.76
  4. Step 4: Simplify right side
    17,842.72x = 164,808,830.82
  5. Step 5: Solve for x
    x = 164,808,830.82/17,842.72
  6. Step 6: Final answer
    x = 9,236.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.